The table shows the number of three different brands of laptops sold by a certain store. The data is represented by the pie chart which shows a semicircle divided into six equal sectors. Brand Number of laptops Acer 60 Dell 40 Compaq 20 What is the angle of sector representing the number of Dell laptops sold?

• A.          \[\angle POR\]                
• B.                         \[\angle ROV\]                
• C.                                         \[\angle QOT\]                
• D.                         \[\angle POU\]